chironaut 0.3.5

A poker game library for Texas Hold'em and other poker variants
Documentation 
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use std::fmt;
use serde::{Serialize, Deserialize};

#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)]
pub enum Suit {
    Clubs,
    Diamonds,
    Hearts,
    Spades,
}

impl fmt::Display for Suit {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        match self {
            Suit::Clubs => write!(f, "♣"),
            Suit::Diamonds => write!(f, "♦"),
            Suit::Hearts => write!(f, "♥"),
            Suit::Spades => write!(f, "♠"),
        }
    }
}

#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
pub enum Rank {
    Two,
    Three,
    Four,
    Five,
    Six,
    Seven,
    Eight,
    Nine,
    Ten,
    Jack,
    Queen,
    King,
    Ace,
}

impl Rank {
    pub fn value(&self) -> u8 {
        match self {
            Rank::Two => 2,
            Rank::Three => 3,
            Rank::Four => 4,
            Rank::Five => 5,
            Rank::Six => 6,
            Rank::Seven => 7,
            Rank::Eight => 8,
            Rank::Nine => 9,
            Rank::Ten => 10,
            Rank::Jack => 11,
            Rank::Queen => 12,
            Rank::King => 13,
            Rank::Ace => 14,
        }
    }
}

impl fmt::Display for Rank {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        match self {
            Rank::Two => write!(f, "2"),
            Rank::Three => write!(f, "3"),
            Rank::Four => write!(f, "4"),
            Rank::Five => write!(f, "5"),
            Rank::Six => write!(f, "6"),
            Rank::Seven => write!(f, "7"),
            Rank::Eight => write!(f, "8"),
            Rank::Nine => write!(f, "9"),
            Rank::Ten => write!(f, "T"),
            Rank::Jack => write!(f, "J"),
            Rank::Queen => write!(f, "Q"),
            Rank::King => write!(f, "K"),
            Rank::Ace => write!(f, "A"),
        }
    }
}

#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)]
pub struct Card {
    pub rank: Rank,
    pub suit: Suit,
}

impl Card {
    pub fn new(rank: Rank, suit: Suit) -> Self {
        Self { rank, suit }
    }
    
    pub fn from_string(s: &str) -> Option<Self> {
        if s.len() < 2 {
            return None;
        }
        
        let rank = match s.chars().next().unwrap() {
            '2' => Rank::Two,
            '3' => Rank::Three,
            '4' => Rank::Four,
            '5' => Rank::Five,
            '6' => Rank::Six,
            '7' => Rank::Seven,
            '8' => Rank::Eight,
            '9' => Rank::Nine,
            'T' | 't' => Rank::Ten,
            'J' | 'j' => Rank::Jack,
            'Q' | 'q' => Rank::Queen,
            'K' | 'k' => Rank::King,
            'A' | 'a' => Rank::Ace,
            _ => return None,
        };
        
        let suit = match s.chars().nth(1).unwrap() {
            'c' | 'C' => Suit::Clubs,
            'd' | 'D' => Suit::Diamonds,
            'h' | 'H' => Suit::Hearts,
            's' | 'S' => Suit::Spades,
            _ => return None,
        };
        
        Some(Card::new(rank, suit))
    }
}

impl fmt::Display for Card {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "{}{}", self.rank, self.suit)
    }
}